Patent US2743250A successfully refreshed from Google Patents.
US2743250A
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Polymeric linear terephthalate compositions and articles made therefrom
Assignee: Eastman Kodak Co
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Filing: 1953-06-25
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Granted: 1956-04-24
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Expires: 1973-06-25
Abstract
No abstract record available.
Inventors
- 👤 Sterling S Sweet
- 👤 Maurice H Van Horn
- 👤 Philip T Newsome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:52
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/09; C08J3/091; C08J2367/00; C08J2367/02; Y; Y10; Y10S; Y10S8/00; Y10S8/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
AS A NEW COMPOSITION OF MATTER A HIGHLY POLYMERIC LINEAR TEREPHTHALATE COMPOSED OF RECURRING STRUCTURAL UNITS OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
20 words
AS A NEW COMPOSITION OF MATTER A HIGHLY POLYMERIC LINEAR TEREPHTHALATE COMPOSED OF RECURRING STRUCTURAL UNITS OF THE GENERAL FORMULA:
References Cited (Backward Citations)
US2497376A
Cited
US2556295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |